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Round|Lab Grown|IGI

3.78ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG638453534

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638453534

Diamond specifications and retailer prices

From $403 USD
As of October 26, 2026
Save $3,177 USD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,580 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.78ct lab-grown round diamond

This 3.78ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638453534 or 638453534. Listed at 11 retailers as of October 26, 2026, with prices from $403 to $3,580, a $3,177 spread on the same certified stone. Do Amore Diamonds lists it at $3,580. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.78
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638453534
Dimensions9.97 × 9.95 × 6.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.97 mm9.95 mm3.78 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638453534
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $3,580 USD|Low: $359 USD|High: $3,990 USD|Avg: $1,781 USD|-10.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 28, 2026
Retailer 10$403 USD
Retailer 8$451 USD
Retailer 3$492 USD
Retailer 13$791 USD
Retailer 2$795 USD
Retailer 5$1,045 USD
Retailer 7$1,202 USD
Retailer 9$1,401 USD
Retailer 11$1,772 USD
Retailer 12$2,036 USD
Retailer 4$2,076 USD
Retailer 6$2,097 USD
Retailer 15$3,110 USD
Retailer 14$3,435 USD
Do Amore Diamonds$3,580 USD

22 data points across 15 retailers

11 retailers$403 USD to $3,580 USD

A
Cheapest Retailer
-
$403 USD
A
Retailer 2
-
$451 USD
View
A
Retailer 3
-
$492 USD
View
Final sale: no returns
B+
Retailer 4
-
$791 USD
View
A
Retailer 5
-
$795 USD
View
B+
Retailer 6
-
$1,401 USD
View
B
Retailer 7
-
$1,772 USD
View
B+
Retailer 8
-
$2,036 USD
£1,603 GBP
View
Price last confirmed 10 days ago
B
Retailer 9
-
$3,110 USD
View
B
Retailer 10
-
$3,435 USD
View
Most Expensive
B
Do Amore Diamonds
27-221A4494C · Oct 29
$3,580 USD
View
10 more retailers have this diamond
Prices start from $403 USDSave up to $3,177 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.78ct Round
$403 USD